Nexus: A Brief History of Information Networks from the Stone Age to AI by Yuval Noah Harari - review by Stuart Jeffries

Stuart Jeffries

I, Algorithm

Nexus: A Brief History of Information Networks from the Stone Age to AI

By

Fern Press 528pp £28
 

One day in 2013, police sped through the streets of La Crosse, Wisconsin, in pursuit of a car involved in a drive-by shooting. Once arrested, the driver, Eric Loomis, denied participating in the shooting. Later, he admitted to the minor offences of attempting to flee a traffic officer and driving without the car owner’s consent.

What was noteworthy about the case was that the judge sentenced Loomis to six years in prison for these offences after the defendant had been subjected to a COMPAS algorithmic assessment, which evaluated that the risk of him committing future crimes was high. COMPAS – which stands for ‘correctional offender management profiling for alternative sanctions’ – has since been used by courts in several US states. It involves asking suspects 137 questions (including about their criminal history, their association with criminal gangs and whether they agree with the proposition ‘A hungry person has a right to steal’). From the responses, an algorithm determines a suspect’s likelihood of reoffending. In Philip K Dick’s 1956 novella The Minority Report, psychics called precogs have foresight of future crimes; the information they provide is used by cops to apprehend and even terminate those likely to offend. Not dissimilarly, COMPAS recommends punishing more harshly those convicted of a first crime on the grounds that they seem likely to commit further crimes in the future.

Yuval Noah Harari cites this case in his always rewarding, often alarming book to articulate his fears about the rise of AI, a phenomenon he’s so concerned about that he thinks of it as ‘alien intelligence’. He believes that by amassing and processing more information than humans ever could, AI